/* Move pointer to first visible line (top) */
static TextLine *first_visible_line(SpaceText *st, ARegion *ar, int *wrap_top)
{
Text *text= st->text;
TextLine* pline= text->lines.first;
int i= st->top, lineno= 0;
text_update_drawcache(st, ar);
if(wrap_top) *wrap_top= 0;
if(st->wordwrap) {
while(i>0 && pline) {
int lines= text_get_visible_lines_no(st, lineno);
if (i-lines<0) {
if(wrap_top) *wrap_top= i;
break;
} else {
pline= pline->next;
i-= lines;
lineno++;
}
}
} else {
for(i=st->top; pline->next && i>0; i--)
pline= pline->next;
}
return pline;
}
void draw_text_main(SpaceText *st, ARegion *ar)
{
Text *text = st->text;
TextFormatType *tft;
TextLine *tmp;
rcti scroll, back;
char linenr[12];
int i, x, y, winx, linecount = 0, lineno = 0;
int wraplinecount = 0, wrap_skip = 0;
int margin_column_x;
/* if no text, nothing to do */
if (!text)
return;
/* dpi controlled line height and font size */
st->lheight_dpi = (U.widget_unit * st->lheight) / 20;
st->viewlines = (st->lheight_dpi) ? (int)ar->winy / (st->lheight_dpi + TXT_LINE_SPACING) : 0;
text_update_drawcache(st, ar);
/* make sure all the positional pointers exist */
if (!text->curl || !text->sell || !text->lines.first || !text->lines.last)
txt_clean_text(text);
/* update rects for scroll */
calc_text_rcts(st, ar, &scroll, &back); /* scroll will hold the entire bar size */
/* update syntax formatting if needed */
tft = ED_text_format_get(text);
tmp = text->lines.first;
lineno = 0;
for (i = 0; i < st->top && tmp; i++) {
if (st->showsyntax && !tmp->format)
tft->format_line(st, tmp, 0);
if (st->wordwrap) {
int lines = text_get_visible_lines_no(st, lineno);
if (wraplinecount + lines > st->top) {
wrap_skip = st->top - wraplinecount;
break;
}
else {
wraplinecount += lines;
tmp = tmp->next;
linecount++;
}
}
else {
tmp = tmp->next;
linecount++;
}
lineno++;
}
text_font_begin(st);
st->cwidth = BLF_fixed_width(mono);
st->cwidth = MAX2(st->cwidth, (char)1);
/* draw line numbers background */
if (st->showlinenrs) {
x = TXT_OFFSET + TEXTXLOC;
UI_ThemeColor(TH_GRID);
glRecti((TXT_OFFSET - 12), 0, (TXT_OFFSET - 5) + TEXTXLOC, ar->winy - 2);
}
else {
st->linenrs_tot = 0; /* not used */
x = TXT_OFFSET;
}
y = ar->winy - st->lheight_dpi;
winx = ar->winx - TXT_SCROLL_WIDTH;
/* draw cursor */
draw_cursor(st, ar);
/* draw the text */
UI_ThemeColor(TH_TEXT);
for (i = 0; y > 0 && i < st->viewlines && tmp; i++, tmp = tmp->next) {
if (st->showsyntax && !tmp->format)
tft->format_line(st, tmp, 0);
if (st->showlinenrs && !wrap_skip) {
/* draw line number */
if (tmp == text->curl)
UI_ThemeColor(TH_HILITE);
else
UI_ThemeColor(TH_TEXT);
BLI_snprintf(linenr, sizeof(linenr), "%*d", st->linenrs_tot, i + linecount + 1);
/* itoa(i + linecount + 1, linenr, 10); */ /* not ansi-c :/ */
text_font_draw(st, TXT_OFFSET - 7, y, linenr);
UI_ThemeColor(TH_TEXT);
}
if (st->wordwrap) {
/* draw word wrapped text */
int lines = text_draw_wrapped(st, tmp->line, x, y, winx - x, tmp->format, wrap_skip);
y -= lines * (st->lheight_dpi + TXT_LINE_SPACING);
}
else {
/* draw unwrapped text */
text_draw(st, tmp->line, st->left, ar->winx / st->cwidth, x, y, tmp->format);
y -= st->lheight_dpi + TXT_LINE_SPACING;
}
wrap_skip = 0;
}
if (st->flags & ST_SHOW_MARGIN) {
UI_ThemeColor(TH_HILITE);
margin_column_x = x + st->cwidth * (st->margin_column - st->left);
if (margin_column_x >= x) {
glBegin(GL_LINES);
glVertex2i(margin_column_x, 0);
glVertex2i(margin_column_x, ar->winy - 2);
glEnd();
}
}
/* draw other stuff */
draw_brackets(st, ar);
glTranslatef(GLA_PIXEL_OFS, GLA_PIXEL_OFS, 0.0f); /* XXX scroll requires exact pixel space */
draw_textscroll(st, &scroll, &back);
draw_documentation(st, ar);
draw_suggestion_list(st, ar);
text_font_end(st);
}
void draw_text_main(SpaceText *st, ARegion *ar)
{
Text *text= st->text;
TextLine *tmp;
rcti scroll, back;
char linenr[12];
int i, x, y, winx, linecount= 0, lineno= 0;
int wraplinecount= 0, wrap_skip= 0;
/* if no text, nothing to do */
if(!text)
return;
text_update_drawcache(st, ar);
/* make sure all the positional pointers exist */
if(!text->curl || !text->sell || !text->lines.first || !text->lines.last)
txt_clean_text(text);
if(st->lheight) st->viewlines= (int)ar->winy/st->lheight;
else st->viewlines= 0;
/* update rects for scroll */
calc_text_rcts(st, ar, &scroll, &back); /* scroll will hold the entire bar size */
/* update syntax formatting if needed */
tmp= text->lines.first;
lineno= 0;
for(i= 0; i<st->top && tmp; i++) {
if(st->showsyntax && !tmp->format)
txt_format_line(st, tmp, 0);
if(st->wordwrap) {
int lines= text_get_visible_lines_no(st, lineno);
if (wraplinecount+lines>st->top) {
wrap_skip= st->top-wraplinecount;
break;
} else {
wraplinecount+= lines;
tmp= tmp->next;
linecount++;
}
} else {
tmp= tmp->next;
linecount++;
}
lineno++;
}
text_font_begin(st);
st->cwidth= BLF_fixed_width(mono);
st->cwidth= MAX2(st->cwidth, 1);
/* draw line numbers background */
if(st->showlinenrs) {
x= TXT_OFFSET + TEXTXLOC;
UI_ThemeColor(TH_GRID);
glRecti((TXT_OFFSET-12), 0, (TXT_OFFSET-5) + TEXTXLOC, ar->winy - 2);
}
else {
st->linenrs_tot= 0; /* not used */
x= TXT_OFFSET;
}
y= ar->winy-st->lheight;
winx= ar->winx - TXT_SCROLL_WIDTH;
/* draw cursor */
draw_cursor(st, ar);
/* draw the text */
UI_ThemeColor(TH_TEXT);
for(i=0; y>0 && i<st->viewlines && tmp; i++, tmp= tmp->next) {
if(st->showsyntax && !tmp->format)
txt_format_line(st, tmp, 0);
if(st->showlinenrs && !wrap_skip) {
/* draw line number */
if(tmp == text->curl)
UI_ThemeColor(TH_HILITE);
else
UI_ThemeColor(TH_TEXT);
sprintf(linenr, "%d", i + linecount + 1);
/* itoa(i + linecount + 1, linenr, 10); */ /* not ansi-c :/ */
text_font_draw(st, TXT_OFFSET - 7, y, linenr);
UI_ThemeColor(TH_TEXT);
}
if(st->wordwrap) {
/* draw word wrapped text */
int lines = text_draw_wrapped(st, tmp->line, x, y, winx-x, tmp->format, wrap_skip);
y -= lines*st->lheight;
}
else {
/* draw unwrapped text */
text_draw(st, tmp->line, st->left, ar->winx/st->cwidth, 1, x, y, tmp->format);
y -= st->lheight;
}
wrap_skip= 0;
}
/* draw other stuff */
draw_brackets(st, ar);
draw_markers(st, ar);
glTranslatef(0.375f, 0.375f, 0.0f); /* XXX scroll requires exact pixel space */
draw_textscroll(st, &scroll, &back);
draw_documentation(st, ar);
draw_suggestion_list(st, ar);
text_font_end(st);
}